Register free!
Search
 
     

The Green Industry's Resource Center


Click for Weather
Reply
 
Thread Tools Display Modes
  #1  
Old 08-06-2008, 10:55 AM
j_nolesfan j_nolesfan is offline
LawnSite Member
 
Join Date: Mar 2007
Location: Pensacola, FL
Posts: 81
Help, aggressive grass taking over my Centipede.

The grass in the pics below is a creeping grass with deep roots and it is rapidly taking over my otherwise near perfect centipede lawn. There is a spot in my back yard that grew from mere sprouts to a 12' diameter circle in a matter of a couple of weeks. I've heard stories of this type of grass taking over a whole yard in a season or two and I just laid 27 pallets of Centipede in March.

Even when I pull it up faithfully, it's still winning the battle. I'm considering using a paintbrush to paint some Roundup on the individual runners to see if I can kill it back to the roots. I seriously doubt I'll find a herbicide that will kill this grass and not my Centipede. I may just have to kill large chunks of my lawn and re-sod. Does anyone know what kind of grass this is and how I might get rid of it?

I'm 100% certain it is not crab grass. Crab grass is soft/tender. This stuff is fairly dense. It even makes a snapping sound when it breaks off. It reminds me of a miniature bamboo.

In the yard:


Pulled up, no roots:


Thanks in advance,
Jeff
Reply With Quote
  #2  
Old 08-06-2008, 01:13 PM
Kiril Kiril is offline
LawnSite Fanatic
 
Join Date: Jun 2007
Location: District 9 CA
Posts: 18,318
Helping you help yourself.

http://www.lawnsite.com/showpost.php...72&postcount=3
Reply With Quote
  #3  
Old 08-07-2008, 05:24 AM
greendoctor greendoctor is online now
LawnSite Fanatic
 
Join Date: Mar 2008
Location: Honolulu, Hawaii
Posts: 7,294
If this is bahia grass, there are several things that will selectively control it in centipede. Vantage, is good for killing most grasses that are not centipede or fine fescue, it is toxic to everything else. Image or better still, a tank mix of Image + atrazine will also damage the bahia without injuring the centipede. Metsulfuron(Manor, Blade) will also control bahia. Note that metsulfuron is applied at 1/2 oz of product per acre. You do not spot spray any of the herbicides I mentioned, they should be applied through a callibrated sprayer operated at a set volume and pressure.
Reply With Quote
  #4  
Old 08-10-2008, 08:12 PM
bug-guy bug-guy is offline
LawnSite Senior Member
 
Join Date: Apr 2006
Location: spring hill/brooksville
Posts: 863
http://images.google.com/imgres?imgu...US263%26sa%3DN
Reply With Quote
  #5  
Old 08-10-2008, 08:13 PM
bug-guy bug-guy is offline
LawnSite Senior Member
 
Join Date: Apr 2006
Location: spring hill/brooksville
Posts: 863
look at nimbleweed @ the above link
Reply With Quote
  #6  
Old 08-11-2008, 08:20 PM
j_nolesfan j_nolesfan is offline
LawnSite Member
 
Join Date: Mar 2007
Location: Pensacola, FL
Posts: 81
Nope, not Nimbleweed or Bahia. I live where we have our own name on Bahia, Pensacola, Bahia and I'm familiar with it. Nimbleweed "flowers" the same way with the forked stalks. This stuff just runs. I have yet to see anything I'd call a flower. It tunnels for a few feet and then pops up. It's very dense. The blades almost feel like Zoysia or something. I think Nimbleweed is easy to pull up by the roots but as you can see in my pic, the roots are so well rooted that the node breaks 90% of the time when pulling it up. If you were to talk one of the pieces in the pic and try to break/pull the stalk into two pieces, it would be a real chore without a blade. You could weave a rope out of this crap. I'd guess that it's a closer cousin to Bahia than Nimbleweed but Bahia it isn't. I suppose Vantage is worth a shot if I can get ahold of it. I'm pretty sure it's not at Home Depot

Thanks again for the replies,

Jeff
Reply With Quote
  #7  
Old 08-11-2008, 09:59 PM
bug-guy bug-guy is offline
LawnSite Senior Member
 
Join Date: Apr 2006
Location: spring hill/brooksville
Posts: 863
i think it's in the Panicum family hard to kill ...torpedo grass
Reply With Quote
  #8  
Old 06-26-2011, 10:24 PM
pgowder pgowder is offline
LawnSite Member
 
Join Date: May 2011
Posts: 15
I'm having this same issue now!

Did you ID it for sure?

What can stop it?
Reply With Quote
  #9  
Old 06-27-2011, 03:05 AM
greendoctor greendoctor is online now
LawnSite Fanatic
 
Join Date: Mar 2008
Location: Honolulu, Hawaii
Posts: 7,294
Sequential applications of Vantage/sethoxydim. One application will not do the job. I also do not suggest spot spraying either. Missing an area of weeds can be the source of ongoing infestation. That weed looks like some really healthy torpedo grass.
__________________
They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety.
Benjamin Franklin 1775

Sell not virtue to purchase wealth, nor Liberty to purchase power.
Benjamin Franklin Poor Richard's Almanac1738
Reply With Quote
  #10  
Old 06-27-2011, 11:12 AM
pgowder pgowder is offline
LawnSite Member
 
Join Date: May 2011
Posts: 15
Quote:
Originally Posted by greendoctor View Post
Sequential applications of Vantage/sethoxydim. One application will not do the job. I also do not suggest spot spraying either. Missing an area of weeds can be the source of ongoing infestation. That weed looks like some really healthy torpedo grass.
Where do I find that?
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump





Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Copyright ©1998 - 2012, LawnSite.comô - Moose River Media
All times are GMT -4. The time now is 04:51 AM.

Page generated in 0.10395 seconds with 7 queries